| One of the very best features of Emacs is it's built in help system, faster, more convenient and more accurate than most program wikis or on-line documentation. Emacs is too big to learn every one of the 7000 or so functions, one learns just what's useful in a particular realm. Anytime it's necessary to wander into new territory, there is really good built-in help system available. Help commands start with Ctrl-h. The next keystroke determines the kind of help that comes next. A handy prompt after Ctrl-h suggests typing '?' for additional options. The basics options are: a PATTERN -- show commands whose name matches PATTERN d PATTERN -- show commands whose documentation has a match to PATTERN f -- documentation of a particular function c -- what command runs for a particular Emacs key sequence t -- learn by doing tutorial. There is a full page of other help options including access to the full emacs manual. |